This device USES a forcebalancesystem to control the movement of the supply and exhaust valves.
本设备使用的力量平衡系统，以控制供应和排气门的运动。
2
Lewin as organized as a dynamic system (non static), this system is also in the dynamic balance of two force.
卢因视组织为一动态系统(而非静止)，这一系统处同样处在二力作用的动态平衡之中。
3
The platform system can test some parameter such as lag force, the Max brake, the sum of Max brake between two wheels, brake balance and brake harmony time between wheels.